CVE-2026-85135 ILIAS MediaPool ZipAdapter.php uploadMultipleSubtitleFileObject unrestricted upload
Remote attackers can upload malicious files via the MediaPool subtitle upload function, potentially leading to code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-85135?
CVE-2026-85135 is a medium-severity vulnerability in ILIAS, published on 3 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security flaw has been discovered in ILIAS up to 9.21/10.9/11.2. This affects the function ilObjMediaObjectGUI::uploadMultipleSubtitleFileObject of the file Services/Repository/Service/Resources/ZipAdapter.php of the component MediaPool. The manipulation results in unrestricted upload. The attack may be launched remotely. Upgrading to version 9.22, 10.10 and 11.3 is able to mitigate this issue. The patch is identified as ef5d7f99fe1ea0381db04b333a2906548b3590e4/b0d61be43671b6bfe91baf469a5ee11e764f2e23. It is recommended to upgrade the affected component.
Which versions are affected by CVE-2026-85135?
How do I fix CVE-2026-85135?
No fix has been published for CVE-2026-85135 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-85135 being exploited?
There is no known exploitation of CVE-2026-85135 in the wild and no public exploit code.
Sources
Also known as GHSA-vcg5-7xpv-mqv2.